.setting_icon{ width:27px; height:27px;background:url("../icon/setting.png") no-repeat center; }
.setting_icon:hover{ cursor:pointer; width:27px; height:27px;background:url("../icon/setting_hover.png") no-repeat center; }
.required_field{color:red;}
.loading{background-image: url('../icon/loading.gif');background-repeat: no-repeat;height:100px;width:100px;}